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Isabel Lucas

SYDNEY, AUSTRALIA - JANUARY 31: Isabel Lucas attends the opening of the Christan Dior Sydney store on January 31, 2013 in Sydney, Australia. (Photo by Lisa Maree Williams/Getty Images)

What Were They Thinking?!

February 1, 2013

This week's worst-dressed crew includes Lindsay Lohan, Rose Byrne, and Christina Applegate. -- By Matt Whitfield